SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Irene in Zone 4a

Family: Lamiaceae Herb

Planting Schedule

Add Irene to your garden to build a schedule and get reminders.

Get the exact Zone 4a timeline for your Irene. See localized frost dates, indoor sowing windows, and optimal companions below.

Need deeper agronomic data, pest profiles, and optimal flavor pairings?

Explore Irene Data
Botanical illustration of Irene

Crop Dates : 4a

MilestoneDate
Start IndoorsMar 20th
Last FrostMay 15th
Transplant / Sow OutdoorsJun 26th
Harvest BeginsSep 24th
Harvest EndsSep 24th